有备无患 (yǒu bèi wú huàn) — preparedness averts peril; (to) be prepared, just in case

Definition

A chengyu meaning 'being prepared prevents trouble' — used to justify caution or extra effort with a 'just in case' tone. It frames preparedness as a positive precaution, not worry.

idiom
preparedness averts peril(to) be preparedjust in case

Examples

  • ,有备无患。
    Chū mén qián zuò hǎo zhǔn bèi, yǒu bèi wú huàn.
    Prepare well before going out — just in case.
  • ,有备无患。
    Sài qián duō liàn xí, yǒu bèi wú huàn.
    Practice more before the competition — better safe than sorry.
  • ,有备无患。
    Zhè fèn hé tong yào zǐ xì kàn, yǒu bèi wú huàn.
    Read this contract carefully, just in case.

Origin

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
肉肉ròumeat
Sound part声符shēngfú
又
又yòu有yǒu
Same sound today

The form 有 combines 又, used for its sound, with a shape from 肉, 'meat'; the hand-holding-meat story is a folk explanation, not shown in the oldest shape.

Open 有 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 備; 备 is its simplified writing.

The traditional form 備 shows a person carrying a quiver, matching the meaning 'ready; prepared'; the simplified 备 is a later abbreviation.

Open 备 →

A drawing of the thing itself, worn down over three thousand years into a few strokes.

This origin belongs to the traditional form 無; 无 is its simplified writing.

For the simplified 无, the story is about 無. 無 drew a person dancing with ox tails held in both hands to pray for rain, then was borrowed for 'have no', so the picture does not explain that meaning.

Open 无 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
心心xīnheart
Sound part声符shēngfú
串
串chuàn患huàn
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

患 is made from 心, a heart, plus 串, which gives the sound. Some old explanations also read the upper part as piercing through the heart.

Open 患 →

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